-48.18% is the change from 909 to 471
Calculation steps:
[( 471 - 909 ) ÷ 909] x 100 = -48.18%
Formula
Percentage change = [(471 - 909) / 909] x 100
Subtract the new number by the original number
471 - 909 = -438
-438 ÷ 909 = -0.48184818481848185
-0.48184818481848185 x 100 = -48.18%